Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU71529
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3094
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling DNS updates. A remote attacker can trigger resource exhaustion by sending a flood of dynamic DNS updates.
MitigationUpdate the affected package bind to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server for SAP: 15-SP3
SUSE Linux Enterprise Server: 15-SP3-LTSS - 15-SP4
SUSE Linux Enterprise Realtime Extension: 15-SP3
SUSE Linux Enterprise High Performance Computing: 15-SP3-ESPOS - 15-SP4
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.2 - 4.3
SUSE Manager Server: 4.2 - 4.3
SUSE Manager Proxy: 4.2 - 4.3
SUSE Linux Enterprise Module for Basesystem: 15-SP4
SUSE Linux Enterprise Desktop: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
python3-bind: before 9.16.6-150300.22.27.1
bind-doc: before 9.16.6-150300.22.27.1
bind-utils-debuginfo: before 9.16.6-150300.22.27.1
bind-utils: before 9.16.6-150300.22.27.1
bind-debugsource: before 9.16.6-150300.22.27.1
bind-debuginfo: before 9.16.6-150300.22.27.1
bind: before 9.16.6-150300.22.27.1
libns1604-debuginfo: before 9.16.6-150300.22.27.1
libns1604: before 9.16.6-150300.22.27.1
libisccfg1600-debuginfo: before 9.16.6-150300.22.27.1
libisccfg1600: before 9.16.6-150300.22.27.1
libisccc1600-debuginfo: before 9.16.6-150300.22.27.1
libisccc1600: before 9.16.6-150300.22.27.1
libisc1606-debuginfo: before 9.16.6-150300.22.27.1
libisc1606: before 9.16.6-150300.22.27.1
libirs1601-debuginfo: before 9.16.6-150300.22.27.1
libirs1601: before 9.16.6-150300.22.27.1
libirs-devel: before 9.16.6-150300.22.27.1
libdns1605-debuginfo: before 9.16.6-150300.22.27.1
libdns1605: before 9.16.6-150300.22.27.1
libbind9-1600-debuginfo: before 9.16.6-150300.22.27.1
libbind9-1600: before 9.16.6-150300.22.27.1
bind-devel: before 9.16.6-150300.22.27.1
bind-chrootenv: before 9.16.6-150300.22.27.1
External linkshttp://www.suse.com/support/update/announcement/2023/suse-su-20230427-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.